Keiji Okumura

Nippan Group Holdings, Inc. engages in the publication and sale of books, magazines, textbooks and teaching materials. It also copyrights, produces, leases and sells video and audio software. The company was founded on September 10, 1949 and is headquartered in Tokyo, Japan.

Part of Gakken Holdings Co., Ltd., Gakken Sta\:Ful Co.,Ltd. Based in Tokyo, Japan, customers can easily search for products by age, purpose, item, character, and brand name on the Gakken Sta\:Ful website. is a Japanese company that specializes in educational toys and stationery for children as young as 1.5 years old. Founded in 1994, the company's website serves as a portal for introducing new blocks, toys, and stationery that can be enjoyed by children of various ages.